Home / 55,775.19-83,520.15-30,787.50

Finding the Fourth Proportional to 55,775.19, 83,520.15 and 30,787.50

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Solution

The fourth proportional to 55,775.19, 83,520.15 and 30,787.50 is: 46,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.19 : 83,520.15 = 30,787.50 : x
  2. Step 2: Convert to fraction form
    55,775.19/83,520.15 = 30,787.50/x
  3. Step 3: Cross multiply
    55,775.19x = 83,520.15 × 30,787.50
  4. Step 4: Simplify right side
    55,775.19x = 2,571,376,618.13
  5. Step 5: Solve for x
    x = 2,571,376,618.13/55,775.19
  6. Step 6: Final answer
    x = 46,102.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.